16344345 has 16 divisors (see below), whose sum is σ = 26231040. Its totient is φ = 8690304.

The previous prime is 16344331. The next prime is 16344397. The reversal of 16344345 is 54344361.

It is not a de Polignac number, because 16344345 - 2⁷ = 16344217 is a prime.

It is a super-2 number, since 2×16344345² = 534275226958050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4021 + ... + 6989.

It is an arithmetic number, because the mean of its divisors is an integer number (1639440).

Almost surely, 2^16344345 is an apocalyptic number.

16344345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16344345 is a deficient number, since it is larger than the sum of its proper divisors (9886695).

16344345 is a wasteful number, since it uses less digits than its factorization.

16344345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3344.

The product of its digits is 17280, while the sum is 30.

The square root of 16344345 is about 4042.8139952266. The cubic root of 16344345 is about 253.7790926547.

The spelling of 16344345 in words is "sixteen million, three hundred forty-four thousand, three hundred forty-five".